senate returns for work on firearms legislation. >> president obama and the first lady will be in boston today to honor the victims of the boston marathon bombing. the first couple will attend the interfaith service at the cathedral of the holy cross. see it live starting at 11 a.m. eastern on our companion network, c-span3. >>> attorney general eric holder is on capitol hill today for a hearing on the 2014 justice department budget request. he's also expected to speak about the bombing at the boston marathon. see this hearing live starting at 2 p.m. eastern on c-span3. >> when the war began, the congress came into session in july, and it issued a statement ever since known as the createn done resolution that articulated the consensus war goals of the united states. and it was very simple, very clear. the purpose of this war is to restore the union. and it is not, and it is not to disrupt the social institutions of the south. and everybody knew what that meant. it meant not to disrupt slavery. >> the evolution of president lincoln's views on slavery. university of texas at austin profess